# Häfele Technical Support vs BZSTK App

The clearest difference is iOS requirement: Häfele Technical Support at 11.0 against BZSTK App's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Häfele Technical Support ships an update every 5 days, BZSTK App weekly. The most recent releases landed on October 8, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Häfele Technical Support | BZSTK App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Size | 11 MB | 6 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Haefele SE & Co KG](https://appshunter.io/developer/432533773) | [Martin Tschanun](https://appshunter.io/developer/1856565793) |

## What reviewers say

### Häfele Technical Support

[App page](https://appshunter.io/ios/app/hafele-technical-support/id1550989105)

**Features:** macOS Compatibility

**In-app purchases:** none


### BZSTK App

[App page](https://appshunter.io/ios/app/bzstk-app/id6755821561)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Häfele Technical Support free?

Häfele Technical Support is free to download, with no in-app purchases.

### Is BZSTK App free?

BZSTK App is free to download, with no in-app purchases.

### Do Häfele Technical Support or BZSTK App have ads?

Neither Häfele Technical Support nor BZSTK App shows ads.

### Which is updated more often, Häfele Technical Support or BZSTK App?

Häfele Technical Support ships an update every 5 days, and BZSTK App weekly. Most recently, Häfele Technical Support was updated on October 8, 2026 and BZSTK App on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*